Inventor · disambiguated record
Richard T. Witek
Also filed as: WITEK RICHARD T · WITEK RICHARD THOMAS
33 granted patents·1,996 citations·filing 1987–2021
98Inventor score
Files withDIGITAL EQUIPMENT CORP22APPLE INC4ADVANCED MICRO DEVICES INC3AMAZON TECH INC2COMPAQ COMPUTER CORP2
Top patents by PatentIndex Score
33 records- 0196US9658676B1Sending messages in a network-on-chip and providing a low power state for processing coresAMAZON TECH INC·Filed 2015·Granted May 23, 2017·51 cites·24 claims
- 0295US9658675B1Achieving power saving by a circuit including pluralities of processing cores based on status of the buffers used by the processing coresAMAZON TECH INC·Filed 2015·Granted May 23, 2017·25 cites·24 claims
- 0394US5319760ATranslation buffer for virtual machines with address space matchDIGITAL EQUIPMENT CORP·Filed 1991·Granted Jun 7, 1994·287 cites·23 claims
- 0491US6076158ABranch prediction in high-performance processorDIGITAL EQUIPMENT CORP·Filed 1993·Granted Jun 13, 2000·162 cites·10 claims
- 0591US5148536APipeline having an integral cache which processes cache misses and loads data in parallelDIGITAL EQUIPMENT CORP·Filed 1988·Granted Sep 15, 1992·126 cites·27 claims
- 0690US5193167AEnsuring data integrity by locked-load and conditional-store operations in a multiprocessor systemDIGITAL EQUIPMENT CORP·Filed 1990·Granted Mar 9, 1993·161 cites·24 claims
- 0788US5454091AVirtual to physical address translation scheme with granularity hint for identifying subsequent pages to be accessedDIGITAL EQUIPMENT CORP·Filed 1993·Granted Sep 26, 1995·136 cites·22 claims
- 0887US5063497AApparatus and method for recovering from missing page faults in vector data processing operationsDIGITAL EQUIPMENT CORP·Filed 1987·Granted Nov 5, 1991·96 cites·32 claims
- 0986US7093153B1Method and apparatus for lowering bus clock frequency in a complex integrated data processing systemADVANCED MICRO DEVICES INC·Filed 2002·Granted Aug 15, 2006·59 cites·37 claims
- 1086US5568624AByte-compare operation for high-performance processorDIGITAL EQUIPMENT CORP·Filed 1993·Granted Oct 22, 1996·98 cites·19 claims
- 1185US5778423APrefetch instruction for improving performance in reduced instruction set processorDIGITAL EQUIPMENT CORP·Filed 1990·Granted Jul 7, 1998·110 cites·16 claims
- 1283US7750912B2Integrating display controller into low power processorADVANCED MICRO DEVICES INC·Filed 2005·Granted Jul 6, 2010·13 cites·17 claims
- 1378US10564931B1Floating-point arithmetic operation range exception override circuitAPPLE INC·Filed 2018·Granted Feb 18, 2020·2 cites·17 claims
- 1476US5430888APipeline utilizing an integral cache for transferring data to and from a registerDIGITAL EQUIPMENT CORP·Filed 1993·Granted Jul 4, 1995·65 cites·2 claims
- 1574US5410682AIn-register data manipulation for unaligned byte write using data shift in reduced instruction set processorDIGITAL EQUIPMENT CORP·Filed 1994·Granted Apr 25, 1995·55 cites·13 claims
- 1672US5341482AMethod for synchronization of arithmetic exceptions in central processing units having pipelined execution units simultaneously executing instructionsDIGITAL EQUIPMENT CORP·Filed 1992·Granted Aug 23, 1994·59 cites·27 claims
- 1770US10691490B2System for scheduling threads for executionAPPLE INC·Filed 2018·Granted Jun 23, 2020·1 cites·20 claims
- 1870US6167509ABranch performance in high speed processorCOMPAQ COMPUTER CORP·Filed 1994·Granted Dec 26, 2000·51 cites·20 claims
- 1970US5636366ASystem and method for preserving instruction state-atomicity for translated programDIGITAL EQUIPMENT CORP·Filed 1995·Granted Jun 3, 1997·63 cites·34 claims
- 2070US5367705AIn-register data manipulation using data shift in reduced instruction set processorDIGITAL EQUIPMENT CORP·Filed 1993·Granted Nov 22, 1994·47 cites·11 claims
- 2170US5218712AProviding a data processor with a user-mode accessible mode of operations in which the processor performs processing operations without interruptionDIGITAL EQUIPMENT CORP·Filed 1990·Granted Jun 8, 1993·55 cites·23 claims
- 2269US5317717AApparatus and method for main memory unit protection using access and fault logic signalsDIGITAL EQUIPMENT CORP·Filed 1992·Granted May 31, 1994·51 cites·20 claims
- 2369US5148544AApparatus and method for control of asynchronous program interrupt events in a data processing systemDIGITAL EQUIPMENT CORP·Filed 1991·Granted Sep 15, 1992·55 cites·22 claims
- 2466US5043886ALoad/store with write-intent for write-back cachesDIGITAL EQUIPMENT CORP·Filed 1988·Granted Aug 27, 1991·36 cites·2 claims
- 2562US5995746AByte-compare operation for high-performance processorDIGITAL EQUIPMENT CORP·Filed 1996·Granted Nov 30, 1999·34 cites·63 claims
- 2659US5291581AApparatus and method for synchronization of access to main memory signal groups in a multiprocessor data processing systemDIGITAL EQUIPMENT CORP·Filed 1992·Granted Mar 1, 1994·35 cites·24 claims
- 2758US7395443B1Integrated circuit with a hibernate mode and method thereforADVANCED MICRO DEVICES INC·Filed 2004·Granted Jul 1, 2008·7 cites·32 claims
- 2855US11886877B1Memory select register to simplify operand mapping in subroutinesAPPLE INC·Filed 2021·Granted Jan 30, 2024·0 cites·20 claims
- 2951US5469551AMethod and apparatus for eliminating branches using conditional move instructionsDIGITAL EQUIPMENT CORP·Filed 1994·Granted Nov 21, 1995·22 cites·21 claims
- 3050US6061774ALimited virtual address aliasing and fast context switching with multi-set virtual cache without backmapsCOMPAQ COMPUTER CORP·Filed 1997·Granted May 9, 2000·22 cites·15 claims
- 3144US10243581B1System and method for implementing finite impulse response filter in an audio processorAPPLE INC·Filed 2018·Granted Mar 26, 2019·0 cites·20 claims
- 3241US5278840AApparatus and method for data induced condition signallingDIGITAL EQUIPMENT CORP·Filed 1993·Granted Jan 11, 1994·12 cites·20 claims
- 3330US5943492AApparatus and method for generating external interface signals in a microprocessorDIGITAL EQUIPMENT CORP·Filed 1997·Granted Aug 24, 1999·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →